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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-1280) ColumnProjectionFilter creates too many ImmutableBytesPtrs
Date Wed, 24 Sep 2014 01:43:33 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14145764#comment-14145764
] 

Hudson commented on PHOENIX-1280:
---------------------------------

SUCCESS: Integrated in Phoenix | 4.0 | Hadoop2 #159 (See [https://builds.apache.org/job/Phoenix-4.0-hadoop2/159/])
PHOENIX-1280 ColumnProjectionFilter creates too many ImmutableBytesPtrs (larsh: rev 954133c325a1e64a7b7d4bb529f48a9154f05efc)
* phoenix-core/src/main/java/org/apache/phoenix/filter/ColumnProjectionFilter.java


> ColumnProjectionFilter creates too many ImmutableBytesPtrs
> ----------------------------------------------------------
>
>                 Key: PHOENIX-1280
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1280
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 4.2, 3.2
>
>         Attachments: 1280-WIP.txt, 1280-v1.txt
>
>
> While tracing through allocated objects during some queries I find that many ImmutableBytesPtr
objects are created. One offender is ColumnProjectionFilter which first creates the columns
to be projected and then while scanning make a new ImmutableBytesPtr for each single column
that passes through the filter.



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